Connetable
Gatchina, Russia · built 1793
Connetable is an obelisk and square in Gatchina, Russia, located at the intersection of 25 October Prospect (main city's street) and Krasnoarmeysky Prospect. The author of the project was probably Vincenzo Brenna.
Square data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).